Another common struggle: the parts-of-a-whole problem. Fractions are introduced through the “pizza model,” but students’ ...

According to the company, Duolingo Math teaches elementary-level mathematics that help younger kids have a stronger foundation. The app provides lessons in multiplication, division, fractions ...

Over the past year, since I took over the common-core math beat, I’ve been thinking a lot about fractions. As I wrote in November, the Common Core State Standards for mathematics emphasize ...